Your question is Manage Database Connections at Scale. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are responsible for a high-traffic application that depends on a relational database, and usage is growing fast enough that connection saturation is starting to affect reliability. You want to make sure the application can handle peak demand without exhausting the database, slowing critical transactions, or causing avoidable incidents.
How would you manage database connections in a high-traffic application?